Lionel Messi has already scored eight times this season, including a hat-trick in Barca's European demolition of PSV Eindhoven, taking his career tally for the club to well over 500 goals. Harry Kane believes he can match or better that.

Charity, seen by many as a kind of moral necessity, is, in fact, a highly contentious and problematic practice. As footballer Lionel Messi learned this week, sometimes charity causes big problems. Indeed: it is far from clear that do-gooders do more good than harm.